django model filefield random upload path

random_filefield_path

# helpers.py
@deconstructible
class RandomFileName(object):
    def __init__(self, path):
        self.path = os.path.join(path, "%s%s")

    def __call__(self, _, filename):
        # @note It's up to the validators to check if it's the correct file type in name or if one even exist.
        extension = os.path.splitext(filename)[1]
        return self.path % (uuid.uuid4(), extension)
        
# models.py
class Foo(models.Model):
    image = models.ImageField(upload_to=RandomFileName('my_app/model'))

@deconstructible
class RandomFileName(object):

def __init__(self, path):
    self.path = os.path.join(path, "%s%s")

def __call__(self, _, filename):
    extension = os.path.splitext(filename)[1]
    return self.path % (uuid.uuid1(), extension)

uuid1() more safe to protect from duplicate